Designing nanohesives for rapid, universal, and robust hydrogel adhesion

Zhao Pan, Qi-Qi Fu, Mo-Han Wang, Huai-Ling Gao, Liang Dong, Pu Zhou, Dong-Dong Cheng, Ying Chen, Duo-Hong Zou, Jia-Cai He, Xue Feng () and Shu-Hong Yu ()
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Zhao Pan: University of Science and Technology of China
Qi-Qi Fu: Institute of Flexible Electronics Technology of THU
Mo-Han Wang: Anhui Medical University, Key Laboratory of Oral Diseases Research of Anhui Province
Huai-Ling Gao: University of Science and Technology of China
Liang Dong: University of Science and Technology of China
Pu Zhou: Anhui Medical University, Key Laboratory of Oral Diseases Research of Anhui Province
Dong-Dong Cheng: Anhui Medical University, Key Laboratory of Oral Diseases Research of Anhui Province
Ying Chen: Institute of Flexible Electronics Technology of THU
Duo-Hong Zou: Anhui Medical University, Key Laboratory of Oral Diseases Research of Anhui Province
Jia-Cai He: Anhui Medical University, Key Laboratory of Oral Diseases Research of Anhui Province
Xue Feng: Tsinghua University
Shu-Hong Yu: University of Science and Technology of China

Nature Communications, 2023, vol. 14, issue 1, 1-10

Abstract: Abstract Nanoparticles-based glues have recently been shown with substantial potential for hydrogel adhesion. Nevertheless, the transformative advance in hydrogel-based application places great challenges on the rapidity, robustness, and universality of achieving hydrogel adhesion, which are rarely accommodated by existing nanoparticles-based glues. Herein, we design a type of nanohesives based on the modulation of hydrogel mechanics and the surface chemical activation of nanoparticles. The nanohesives can form robust hydrogel adhesion in seconds, to the surface of arbitrary engineering solids and biological tissues without any surface pre-treatments. A representative application of hydrogel machine demonstrates the tough and compliant adhesion between dynamic tissues and sensors via nanohesives, guaranteeing accurate and stable blood flow monitoring in vivo. Combined with their biocompatibility and inherent antimicrobial properties, the nanohesives provide a promising strategy in the field of hydrogel based engineering.

Date: 2023
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DOI: 10.1038/s41467-023-40753-5

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